<!doctype html>
<html lang="zh-CN">
  <head>
    <!-- 必须的 meta 标签 -->
    <meta charset="utf-8">
    <meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no">
    <!-- Bootstrap 的 CSS 文件 -->
    <link href="http://libs.baidu.com/bootstrap/3.0.3/css/bootstrap.min.css" rel="stylesheet">
    <title>Hello, world!</title>
  </head>
  <body>
    <h1>Hello, world!</h1>

    <script src="http://libs.baidu.com/jquery/2.0.0/jquery.min.js"></script>
    <script src="http://libs.baidu.com/bootstrap/3.0.3/js/bootstrap.min.js"></script>
    </body>
</html>